<template>
  <Layout>
    <div style="min-height: 600px">
      <el-card shadow="never" style="margin-bottom: 20px">
        <el-input placeholder="请输入关键字" v-model="searchKey" clearable style="width: 300px"></el-input>
        <el-button @click="search" icon="el-icon-search" style="margin-left: 10px" circle plain></el-button>
        <el-button
          @click="$share()"
          style="margin-left: 10px"
          icon="el-icon-share"
          type="warning"
          plain
          circle
        ></el-button>
        <el-button
          type="primary"
          icon="el-icon-edit"
          round
          plain
          style="float: right;"
          @click="goAdd"
        >写博文</el-button>
      </el-card>

      <div v-if="blogs&&blogs.length>0">
        <el-card
          shadow="hover"
          v-for="(item,index) in blogs"
          :key="'p'+index"
          style="margin-bottom: 20px"
        >
          <div slot="header">
            <el-row>
              <el-col :span="16">
                <span>
                  <a style="text-decoration:none;cursor:pointer" @click="goDetails(item.id)">
                    <i class="el-icon-edit-outline"></i>
                    &nbsp;&nbsp; {{item.title}}
                  </a>
                </span>
              </el-col>
              <el-col :span="8">
                <div style="text-align: right;">
                  <el-button
                    @click="$share('/user/blog/details/'+item.id)"
                    style="padding: 3px 0"
                    type="text"
                    icon="el-icon-share"
                  ></el-button>
                  <el-button
                    @click="editBlog(index)"
                    style="padding: 3px 0"
                    type="text"
                    icon="el-icon-edit"
                    v-if="token"
                  ></el-button>
                  <el-button
                    @click="deleteBlog(index)"
                    style="padding: 3px 0"
                    type="text"
                    icon="el-icon-delete"
                    v-if="token"
                  ></el-button>
                </div>
              </el-col>
            </el-row>
          </div>
          <div style="font-size: 0.9rem;line-height: 1.5;color: #606c71;">最近更新 {{item.updateTime}}</div>
          <div
            style="font-size: 1.1rem;line-height: 1.5;color: #303133;padding: 10px 0px 0px 0px"
          >{{item.node.description}}</div>
        </el-card>
        <div style="text-align: center">
          <el-pagination
            @current-change="list"
            background
            layout="prev, pager, next"
            :current-page.sync="query.page"
            :page-size="query.pageSize"
            :total="query.pageNumber*query.pageSize"
          ></el-pagination>
        </div>
      </div>

      <el-card
        shadow="never"
        style="margin-bottom: 20px;padding: 20px 0px 20px 0px;text-align: center"
        v-if="!blogs||blogs.length==0"
      >
        <font style="font-size: 30px;color:#dddddd ">
          <b>还没有博客 (╯°Д°)╯︵ ┻━┻</b>
        </font>
      </el-card>
    </div>
  </Layout>
</template>
<page-query>
query($page: Int) {
    allBlog (perPage: 2, page: $page) @paginate {
        pageInfo {
            totalPages
            currentPage
        }
        edges {
            node {
            created_at
            description
            }
        }
    }
}
</page-query>

<script>
export default {
  data() {
    return {
      query: {
        page: 1,
        pageSize: 5,
        pageNumber: 1
      },
      searchKey: ""
    };
  },
  mounted() {
    this.list();
  },
  computed: {
    blogs() {
      return this.$page.allBlog.edges;
    }
  },
  methods: {
    list() {
      this.blogs = [];
      GistApi.list(this.query).then(response => {
        let result = response.data;
        let pageNumber = this.$util.parseHeaders(response.headers);
        if (pageNumber) {
          this.query.pageNumber = pageNumber;
        }
        for (let i = 0; i < result.length; i++) {
          for (let key in result[i].files) {
            let data = {};
            data["title"] = key;
            data["url"] = result[i].files[key];
            data["description"] = result[i]["description"];
            data["id"] = result[i]["id"];
            data["createTime"] = this.$util.utcToLocal(result[i]["created_at"]);
            data["updateTime"] = this.$util.utcToLocal(result[i]["updated_at"]);
            data["hide"] = false;
            this.blogs.push(data);
            break;
          }
        }
      });
    },
    search() {
      for (let i = 0; i < this.blogs.length; i++) {
        this.blogs[i].hide =
          this.blogs[i].node.description.indexOf(this.searchKey) < 0;
      }
    },
    deleteBlog(index) {
      this.$confirm("是否永久删除该博客?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      }).then(() => {
        let blog = this.blogs[index];
        GistApi.delete(blog.id).then(result => {
          this.$message({
            message: "删除成功",
            type: "success"
          });
          this.blogs.splice(index, 1);
        });
      });
    },
    goAdd() {
      if (!this.token) {
        this.$message({
          message: "请绑定有效的Token",
          type: "warning"
        });
        return;
      }
      this.$router.push("/user/blog/add");
    },
    goDetails(id) {
      this.$router.push("/user/blog/details/" + id);
    }
  }
};
</script>